What is an electrical load?
A) Any device in an electrical circuit
B) The power coming into a unit, usually labeled L1 and L2
C) An electrical device that requires power to operate
D) A problem in a circuit that makes the electricity work harder, reducing efficiency
C
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A radioactive mass emits particles according to a Poisson process. The probability that no particles will be emitted in a two-second period is 0.5.
a. What is the probability that no particles are emitted in a four-second period? b. What is the probability that no particles are emitted in a one-second period? c. What is the mean number of particles emitted per second?
What was the most significant effect of the Bohemian war?
a. the reversal of the Reformation in eastern central Europe b. the reversal of the Counter Reformation in eastern Europe c. the reversal of the Reformation across all of Europe d. the disintegration of the Austrian Habsburg Empire
AMCA fan performance classifications are based on
A) The physical design of the fan wheel B) the minimum and maximum motor horsepower C) Minimum and maximum fan RPM for the design airflow D) The upper and lower ranges of static pressure and outlet velocity
Once the ferrule has been installed on a copper tube, it _____
A) cannot be removed without cutting B) can be removed with a ferrule wedge C) can be removed with a slight squeeze with pliers D) can be removed with an adapter for the flaring tool